Daewoo DC-S83D1D Service Manual

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S/M No. : VDCS83PET1

Service Manual

MODEL: DC-S83D1D

DC-S84D1S

DC-S84D1D

DC-S85D1D

DC-S86D1D

DC-S86D1P

DC-S87D1D

DC-S88D1D

DC-S89D1D

DC-S8CD1D

Caution :

In this Manual, some parts can be changed for improving, their

performance without notice in the parts list. So, if you need the latest

parts information,please refer to PPL(Parts Price List) in Service

Information Center (http://svc.dwe.co.kr).

DAEWOO ELECTRONICS Corp.

http : //svc.dwe.co.kr

Jan. 2005

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Summary of Contents for Daewoo DC-S83D1D

Page 1 S/M No. : VDCS83PET1 Service Manual MODEL: DC-S83D1D DC-S84D1S DC-S84D1D DC-S85D1D DC-S86D1D DC-S86D1P DC-S87D1D DC-S88D1D DC-S89D1D DC-S8CD1D Caution : In this Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information,please refer to PPL(Parts Price List) in Service Information Center (http://svc.dwe.co.kr).
Page 2: Table Of Contents
CONTENTS SPECIFICATIONS .......................2 ADVANTAGES OF THIS PRODUCT..................3 TROUBLE SHOOTING........................5 WAVEFORMS ..........................23 CIRCUIT DIAGRAM........................26 PCB CIRCUIT BOARD........................35 INSTRUMENT DISASSEMBLY .....................38 ELECTRICAL PARTSLIST......................44...
Page 3: Specifications
ADVANTAGES OF THIS PRODUCT SPECIFICATIONS Power 200-240V~, 50/60Hz ¥ DVD, VCD, CD, CD-R(MP3), CD-RW, VHS Consumed electricity ¥ Watching DVD for recording broadcast Weight 4.6kg ¥ Integrated remote control (VCR, DVD) Dimension (W x H x D) 435mmx93mmx255mm ¥ VISS function Operative temperature +5°C~40°C ¥...
Page 4: Troubleshooting
TROUBLESHOOTING ADVANTAGES OF THIS PRODUCT 1. POWER CIRCUIT ¥ Parental Lock function (DVD) This function can prevent playback of software that may be unsuitable for children. CAUTION ¥ Multi Audio function (DVD) You must use insulated transformer during the first part test of POWER circuit. The audio soundtrack can be heard in up to 8 languages.
Page 5 TROUBLESHOOTING TROUBLESHOOTING 2. SYSTEM CIRCUIT B-1. Bad playback quality (1) A. LED DISPLAY Noise appears on the playback screen. No LED display. Is noise diminished by tracking Re-adjust PATH. adjustment. Is 5V obtained at IC701 Check R588, D857, L503, L860 pin #9, 25? Noise band is trembled up and Noise appears on the screen even...
Page 6 TROUBLESHOOTING TROUBLESHOOTING D. No CASSETTE Loading C. No broadcasting signal received Cassette tape isnÕt inserted. No broadcasting signal received Is 5V voltage obtained at Loading Check at EVER 14V Is the output at IC501 pin# 61(CLK), parts IC501 pin#2? Check Q850. Check IC 501.
Page 7 TROUBLESHOOTING TROUBLESHOOTING 3. VIDEO circuit F. DRUM Motor stops A. EE screen doesnÕt appear DRUM Motor stops. EE MODE Picture NG Is 14V voltage obtained at P501 Check EVER 14V Is Video signal input at pin#8? (Q850). Check IF and LINE IN JACK. IC301 pin#48,50,52,54? Is 5V supplied at Is DRUM PWM fit to IC 501...
Page 8 TROUBLESHOOTING TROUBLESHOOTING B. Playback picture doesnÕt appear C. No recording Record video signal poor. PB video signal missing. Check EE MODE. Is Envelope output from IC301 Check POWER 5V. Is 5V supplied at IC301 pin#91? pin#79? Is luminance and color signal Is signal input into IC301 output from IC301 pin#78? pin# 48,50,52,54,56?
Page 9 TROUBLESHOOTING TROUBLESHOOTING 4. AUDIO (Hi-Fi MODEL) A. No sound in E-E mode D. No OSD(On Screen Display) appears a. RF E-E No OSD appears. No sound in RF E-E mode Is 5V obtained at IC501 pin# 53, Check POWER circuit. 98, 99? Is 5V obtained at IC051 pin#1? Check Power circuit.
Page 10 TROUBLESHOOTING TROUBLESHOOTING c. AV2 E-E b. AV1 E-E No sound in AV2 E-E mode. No sound in AV1 E-E mode. Is 12V obtained at IC251 pin#34? Is 12V obtained at IC251 pin#34? Check POWER circuit. Check POWER circuit. Is 5V obtained at IC251 pin#40? Is 5V obtained at IC251 pin#40? Check Input AV2 JACK Is Audio signal at IC251 pin#8, 9?
Page 11 TROUBLESHOOTING TROUBLESHOOTING d. DVD E-E e. FRONT E-E No sound in DVD No sound in Front E-E mode. E-E mode. Is Audio signal at IC601 pin#1, Is there DVD Audio at ICD01 Check Input Front JACK. Check ICD01, DVD board pin#7,8? Is Audio signal output at IC601 pin Comparing with switching table, are SWA, B CTL SIGNAL...
Page 12 B. No Hi-Fi Playback audio(PLAY MODE) C. No Hi-Fi playback in record/playback mode (REC MODE) Check input LINE1 JACK. Are there Audio signal Check input LINE2 JACK. at IC251 pin#4~9? Is 12V obtained at IC251 pin#34? Check ICD03(DVD). Check POWER circuit. Is FM OSC signal at IC251 Replace IC251 pin#36?
Page 13: Waveforms
WAVEFORMS TROUBLESHOOTING 1. VIDEO E. No NORMAL AUDIO playback in record/playback mode(Check in REC mode) No Normal Audio playback in record/playback mode (IC301-70) 5Vp-p (IC301-70)5Vp-p (IC301-46) 520mVp-p (IC301-46) 520mVp-p 1V/2msec/cm 1V/2msec/cm 200mV/5usec/cm 200mV/5usec/cm PLAY PLAY Check Input LINE1 JACK. Are there Audio signal at IC251 Check Input LINE2 JACK.
Page 14 WAVEFORMS WAVEFORMS 3. SERVO/SYSCON 2. AUDIO 2-1 AUDIO(Normal) “ (IC501-18) 5Vp-p (IC501-77) 5Vp-p (IC501-76) 5Vp-p (IC501-94) 3Vp-p (IC301-15) 100mVp-p (IC301-11) 1.5Vp-p (IC301-100) 2.3Vp-p (IC301-8) 120mVp-p 2V/5msec/cm 2V/5µsec/cm 2V/5µsec/cm 1V/5msec/cm 20mV/0.5msec/cm 0.5V/0.5msec/cm 0.5V/0.5msec/cm 50mV/0.5msec/cm REC/PLAY REC/PLAY REC/PLAY PLAY ‘ (IC501-97) 4.4Vp-p (IC501-90)25Vp-p&5Vp-p (IC501-87) 2.5Vp-p (IC501-38) 2.6Vp-p...
Page 15: Circuit Diagram
CIRCUIT DIAGRAM 1. POWER CIRCUIT DIAGRAM...
Page 16 CIRCUIT DIAGRAM 2. SYSCON CIRCUIT DIAGRAM...
Page 17 CIRCUIT DIAGRAM 3. VIDEO/AUDIO CIRCUIT DIAGRAM...
Page 18 CIRCUIT DIAGRAM 4. HiFi & SW & INPUT CIRCUIT DIAGRAM...
Page 19 CIRCUIT DIAGRAM 5. PIF CIRCUIT DIAGRAM...
Page 20 CIRCUIT DIAGRAM 6. DVD CIRCUIT DIAGRAM...
Page 21 CIRCUIT DIAGRAM...
Page 22 CIRCUIT DIAGRAM...
Page 23 CIRCUIT DIAGRAM...
Page 24: Pcb Circuit Board
PCB CIRCUIT BOARD 1-1 . VCR (MAIN)
Page 25 PCB CIRCUIT BOARD 1-2. POWER...
Page 26 PCB CIRCUIT BOARD 1-3. DVD (MAIN)
Page 27: Instrument Disassembly
INSTRUMENT DISASSEMBLY INSTRUMENT DISASSEMBLY 1. DECK DISASSEMBLY B. PANEL FRONT DISASSEMBLY Perform all disassembly procedures in the order presented. When reassembling, use the reverse procedure. Make sure that all leads/ wiring are routed correctly when reassembling. @ Remove 2 Hooks at left and right sides, Simultaneously, remove panel.
Page 28 INSTRUMENT DISASSEMBLY INSTRUMENT DISASSEMBLY E. MAIN PCB DISASSEMBLY D. DECK AND MAIN PARTS DISASSEMBLY @ Remove 2 screws, then remove MAIN PCB ! Remove 6 screws, then remove DECK @ Remove 4 screws, then remove LOADER # Remove 3 screws, then remove POWER PCB ! Remove 2 screws FIG.
Page 29 INSTRUMENT DISASSEMBLY INSTRUMENT DISASSEMBLY F. MAIN CHASSIS DISASSEMBLY G. Explode view ! Remove 4 screws, then remove MAIN G. Explode view NO PART NAME PART NO. Q TY MATERIAL REMARK DVD VCR COVER TOP 97P0483505 SECC T0.5+PAINT (5 SCREW HOLE) SCREW TAPPTITE 7173300812 TT2 BIN 3X8 BK...
Page 30: Electrical Partslist
ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) PARTS CODE PARTS NAME PARTS DESCR...
Page 31 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK Q309 T2SC2412KB TR CHIP 2SC2412K-T146-BR R318 HRFS102JBA R CHIP 1/16 1K OHM J 1608 R606A HRFS750JBA R CHIP...
Page 32 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK C152 CEXF1H109A C ELECTRO 50V RSM 1MF (4X7) TP C524 CEXF1C470A C ELECTRO...
Page 33 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK L604 5CPZ229K02 COIL PEAKING 2.2UH K(AXIAL 3.5MM) R537 RD-AZ473J- R CARBON FILM 1/6 47K OHM J...
Page 34 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK CM13 HCFH104ZBA C CHIP CERA 25V Y5V 0.1MF Z 1608 RB28 HRFS103JBA R CHIP...
Page 35 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK * DVD MECHA AS C822 CEXF1A221V C ELECTRO 10V RSS 220MF D824 D Z 1 F 3 E DIODE FR 1F3E C824 CEXK1H470L C ELECTRO 50V 47MF KXL...
Page 36 ELECTRICAL PARTSLIST...
Page 37 DAEWOO ELECTRONICS Corp. 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA...

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